Quakes recorded for the first time inside Greenland's biggest frozen river, the Northeast Greenland Ice Stream, suggest this ...

But when Feb. 14 rolls around, lovers trade letters or cards and give gifts, much like they do in the U.S. If you’ve had enough of heart-shaped trinkets on Valentine’s Day, get inspired by ...

On Ellesmere Island in the Arctic, on one of the northernmost points of land in the world, sits a small permanent seismic ...